Quote:
Paul Funnell wrote:
I've also been advised by a chiro that the forward/backward and side to side stretch are fine but that up/down is to be discouraged since it's not really in the normal range of motion for the cervical vertebrae, which makes sense if you think in terms of looking in different directions.
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So looking at the sky for celestial navigation or at the ground for tracking animals or not stumbling over tree roots are not long-established normal human movements?